Last month, Gizmodo told you about the time a Boosted Board “tried to kill” one of our writers. Now, it turns out, the electric longboards might even be dangerous for people with excellent coordination.

Lithium-ion batteries! They're in your phone, your laptop and pretty much every consumer electronic device that uses rechargeable batteries these days. How should you take care of them? Old wives tales of charging batteries don't apply here, so forget everything you thought you knew. According to Ars Technica, this is…

Shimano, makers of high-end bike gear I can't afford, is making a push for its Di2 battery-powered gear shifter. Why make the time-tested bicycle design more complicated and harder to service? Aerodynamics.

A new "intelligent" lithium-ion battery is supposed to prevent explosions and fire accidents by sending constant updates on its own health. Developed by researchers at NTT DoCoMo, the battery uses a 8-bit microcomputer "brain" to monitor its condition and relay the information to the cellphone user.